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Grade: 10
        
AN organic compound (A) of molecular formula C7H8O on treatment with lead nitrate gives a compound ( B)of molecular fomula C7H6O.B on chlorination in prescence of FeCl3 forms compound (C).Identify A, B and C .Write the reactions
 
11 months ago

Answers : (1)

Arun
22958 Points
							
The balanced Chemical equation is :
2H2  + O2 ----->2H20
Molar mass of H2=2g
Molar mass of O2=32g
Molar mass of H2O=36g
∴ 4g Of hydrogen reacts with 32g of oxygen to produce 36g of water.
4g of Hydrogen ----> 36g Of water.
10g Of Hydrogen ----> ?
=10x36/4
=90 grams
∴10g Of  H2  will produce 90 grams of water
 
11 months ago
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